Hyundai Sonata LF: Cooling System / Thermostat Components and Components Location

Water pump Troubleshooting

Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the bleed hole of the water pump Visually check • Check leaks after about ten-minute warming up...

Thermostat Repair procedures

Removal     Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. 1. Drain engine coolant so that its level would be under the thermostat height...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: A/C Pressure Transducer Description and Operation

Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed. Engine ECU stops the operation of the compressor when the temperature of refrigerant line is very high or very low irregularly to optimize air conditioning system...

Hyundai Sonata LF 2014-2019 Service Manual: Knee Airbag (KAB) Module Repair procedures

Removal 1. Disconnect the battery negative cable and wait for at least three minutes before beginning work. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the mounting nuts (A). 4. Disconnect the knee airbag connector (B)...